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43defa566c
* Update History.txt and README.md for December release (#744) * Update History.txt and README.md for release * Bump mbedtls submodule to v2.28.0 (#745) * Patch project files for mbedtls (#751) * Apply group 1 patches * Apply patches for group 2 * Update project files for mbedTLS new version Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix warnings in projects Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix warnings in HTTP_S3_Download demo Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> * Update changelog and history for corePKCS11 update (#752) * Update submodule pointer and manifest.yml for corePKCS11 (#754) * Update readme and history.txt to show that Sigv4 is a newly added library (#756) * Revert update to v143 of VS toolset (#757) * [AUTO][RELEASE]: Bump file header version to "202112.00" * Update file headers to satisfy core checks Co-authored-by: Muneeb Ahmed <54290492+muneebahmed10@users.noreply.github.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: johnrhen <johnrhen@users.noreply.github.com>
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
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* FreeRTOS V202112.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://aws.amazon.com/freertos
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*
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*/
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/*-----------------------------------------------------------
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* Components that can be compiled to either ARM or THUMB mode are
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* contained in serial.c The ISR routines, which can only be compiled
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* to ARM mode, are contained in this file.
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*----------------------------------------------------------*/
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/* Library includes. */
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#include "75x_uart.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "queue.h"
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static QueueHandle_t xRxedChars;
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static QueueHandle_t xCharsForTx;
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static portBASE_TYPE volatile *pxQueueEmpty;
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void vConfigureQueues( QueueHandle_t xQForRx, QueueHandle_t xQForTx, portBASE_TYPE volatile *pxEmptyFlag )
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{
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xRxedChars = xQForRx;
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xCharsForTx = xQForTx;
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pxQueueEmpty = pxEmptyFlag;
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}
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/*-----------------------------------------------------------*/
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void vSerialISR( void )
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{
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signed char cChar;
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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do
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{
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if( UART0->MIS & UART_IT_Transmit )
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{
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/* The interrupt was caused by the THR becoming empty. Are there any
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more characters to transmit? */
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if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xHigherPriorityTaskWoken ) == pdTRUE )
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{
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/* A character was retrieved from the queue so can be sent to the
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THR now. */
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UART0->DR = cChar;
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}
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else
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{
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*pxQueueEmpty = pdTRUE;
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}
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UART_ClearITPendingBit( UART0, UART_IT_Transmit );
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}
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if( UART0->MIS & UART_IT_Receive )
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{
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/* The interrupt was caused by a character being received. Grab the
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character from the RHR and place it in the queue of received
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characters. */
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cChar = UART0->DR;
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xQueueSendFromISR( xRxedChars, &cChar, &xHigherPriorityTaskWoken );
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UART_ClearITPendingBit( UART0, UART_IT_Receive );
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}
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} while( UART0->MIS );
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/* If a task was woken by either a character being received or a character
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being transmitted then we may need to switch to another task. */
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portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
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}
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